William S. /William H. 1800's from NY

Seeking information on William S. Pitcher (b.1840 in Amenia, NY) who married Anne Parks (b. 1845 in Ridgefield, CT). Their son was William Henry Pitcher(b 9/29/1891 in Amenia - d 11/3/1955)who married Mary Elizabeth Murphy.Who were parents of William S. Pitcher?Did he have siblings?Did William Henry have siblings?